[go: up one dir, main page]

EP1738411A4 - SENSOR DEVICE, SENSOR SYSTEM, AND METHODS OF MANUFACTURING THEREOF - Google Patents

SENSOR DEVICE, SENSOR SYSTEM, AND METHODS OF MANUFACTURING THEREOF

Info

Publication number
EP1738411A4
EP1738411A4 EP05721720A EP05721720A EP1738411A4 EP 1738411 A4 EP1738411 A4 EP 1738411A4 EP 05721720 A EP05721720 A EP 05721720A EP 05721720 A EP05721720 A EP 05721720A EP 1738411 A4 EP1738411 A4 EP 1738411A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
methods
sensor
sensor device
sensor system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05721720A
Other languages
German (de)
French (fr)
Other versions
EP1738411A1 (en
Inventor
Koji Tsuji
Y ; Sanagawa
M ; Kirihara
Kazuo Gouda
Y ; Nishijima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2004127134A external-priority patent/JP4539155B2/en
Application filed by Panasonic Corp filed Critical Panasonic Corp
Publication of EP1738411A1 publication Critical patent/EP1738411A1/en
Publication of EP1738411A4 publication Critical patent/EP1738411A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/02Containers; Seals
    • H01L23/06Containers; Seals characterised by the material of the container or its electrical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81CPROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00015Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
    • B81C1/00222Integrating an electronic processing unit with a micromechanical structure
    • B81C1/0023Packaging together an electronic processing unit die and a micromechanical structure die
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B7/00Microstructural systems; Auxiliary parts of microstructural devices or systems
    • B81B7/0032Packages or encapsulation
    • B81B7/0045Packages or encapsulation for reducing stress inside of the package structure
    • B81B7/0048Packages or encapsulation for reducing stress inside of the package structure between the MEMS die and the substrate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B7/00Microstructural systems; Auxiliary parts of microstructural devices or systems
    • B81B7/0032Packages or encapsulation
    • B81B7/007Interconnections between the MEMS and external electrical signals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00Details of instruments
    • G01P1/02Housings
    • G01P1/023Housings for acceleration measuring devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/0802Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/02Containers; Seals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2207/00Microstructural systems or auxiliary parts thereof
    • B81B2207/01Microstructural systems or auxiliary parts thereof comprising a micromechanical device connected to control or processing electronics, i.e. Smart-MEMS
    • B81B2207/012Microstructural systems or auxiliary parts thereof comprising a micromechanical device connected to control or processing electronics, i.e. Smart-MEMS the micromechanical device and the control or processing electronics being separate parts in the same package
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2207/00Microstructural systems or auxiliary parts thereof
    • B81B2207/09Packages
    • B81B2207/091Arrangements for connecting external electrical signals to mechanical structures inside the package
    • B81B2207/094Feed-through, via
    • B81B2207/096Feed-through, via through the substrate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2207/00Microstructural systems or auxiliary parts thereof
    • B81B2207/09Packages
    • B81B2207/091Arrangements for connecting external electrical signals to mechanical structures inside the package
    • B81B2207/097Interconnects arranged on the substrate or the lid, and covered by the package seal
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/10Bump connectors; Manufacturing methods related thereto
    • H01L2224/15Structure, shape, material or disposition of the bump connectors after the connecting process
    • H01L2224/16Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
    • H01L2224/161Disposition
    • H01L2224/16151Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/16221Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/16225Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Power Engineering (AREA)
  • Pressure Sensors (AREA)
  • Gyroscopes (AREA)
EP05721720A 2004-04-22 2005-03-29 SENSOR DEVICE, SENSOR SYSTEM, AND METHODS OF MANUFACTURING THEREOF Withdrawn EP1738411A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004127134A JP4539155B2 (en) 2003-10-03 2004-04-22 Manufacturing method of sensor system
PCT/JP2005/006581 WO2005104228A1 (en) 2004-04-22 2005-03-29 Sensor device, sensor system and methods for manufacturing them

Publications (2)

Publication Number Publication Date
EP1738411A1 EP1738411A1 (en) 2007-01-03
EP1738411A4 true EP1738411A4 (en) 2012-06-27

Family

ID=35197272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05721720A Withdrawn EP1738411A4 (en) 2004-04-22 2005-03-29 SENSOR DEVICE, SENSOR SYSTEM, AND METHODS OF MANUFACTURING THEREOF

Country Status (5)

Country Link
US (1) US7642611B2 (en)
EP (1) EP1738411A4 (en)
KR (1) KR100907514B1 (en)
CN (1) CN100485911C (en)
WO (1) WO2005104228A1 (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI119729B (en) 2005-11-23 2009-02-27 Vti Technologies Oy Process for manufacturing microelectromechanical component and microelectromechanical component
FI119728B (en) * 2005-11-23 2009-02-27 Vti Technologies Oy Process for manufacturing microelectromechanical component and microelectromechanical component
EP1953817B1 (en) * 2005-11-25 2012-10-31 Panasonic Corporation Sensor device and method for manufacturing same
EP3257809A1 (en) 2005-11-25 2017-12-20 Panasonic Intellectual Property Management Co., Ltd. Wafer level package structure and production method therefor
US8067769B2 (en) 2005-11-25 2011-11-29 Panasonic Electric Works Co., Ltd. Wafer level package structure, and sensor device obtained from the same package structure
CN101317263B (en) 2005-11-25 2012-03-21 松下电工株式会社 Sensor device and method for manufacturing same
JP5107539B2 (en) * 2006-08-03 2012-12-26 新光電気工業株式会社 Semiconductor device and manufacturing method of semiconductor device
JP2008101980A (en) 2006-10-18 2008-05-01 Denso Corp Capacitance-type semiconductor sensor device
SE533579C2 (en) * 2007-01-25 2010-10-26 Silex Microsystems Ab Method of microcapsulation and microcapsules
JP4960767B2 (en) * 2007-05-25 2012-06-27 パナソニック株式会社 Displacement sensor
US8742557B2 (en) * 2007-06-19 2014-06-03 Honeywell International Inc. Die mounting stress isolator
US8773255B2 (en) * 2007-09-24 2014-07-08 Ppc Broadband, Inc. Status sensing and reporting interface
US8400318B2 (en) * 2007-09-24 2013-03-19 John Mezzalingua Associates, Inc. Method for determining electrical power signal levels in a transmission system
US8570178B2 (en) 2007-09-24 2013-10-29 Ppc Broadband, Inc. Coaxial cable connector with internal floating ground circuitry and method of use thereof
US8149127B2 (en) * 2007-09-24 2012-04-03 John Mezzalingua Associates, Inc. Coaxial cable connector with an internal coupler and method of use thereof
US8400319B2 (en) * 2007-09-24 2013-03-19 John Mezzalingua Associates, Inc. Coaxial cable connector with an external sensor and method of use thereof
US7933128B2 (en) * 2007-10-10 2011-04-26 Epson Toyocom Corporation Electronic device, electronic module, and methods for manufacturing the same
US7847387B2 (en) * 2007-11-16 2010-12-07 Infineon Technologies Ag Electrical device and method
JP5332439B2 (en) 2008-09-18 2013-11-06 富士通株式会社 Packaged micro movable device manufacturing method
US8414326B2 (en) 2008-11-17 2013-04-09 Rochester Institute Of Technology Internal coaxial cable connector integrated circuit and method of use thereof
US8303334B2 (en) * 2008-11-17 2012-11-06 John Mezzalingua Associates, Inc. Embedded coupler device and method of use thereof
US8419464B2 (en) 2008-11-17 2013-04-16 Ppc Broadband, Inc. Coaxial connector with integrated molded substrate and method of use thereof
US8376774B2 (en) 2008-11-17 2013-02-19 Rochester Institute Of Technology Power extracting device and method of use thereof
TWI388038B (en) * 2009-07-23 2013-03-01 Ind Tech Res Inst Structure and fabrication method of a sensing device
EP2302327B1 (en) * 2009-09-25 2020-02-26 Nxp B.V. Sensor
CN102079500B (en) * 2009-12-01 2014-09-10 原相科技股份有限公司 Micro electro mechanical system (MEMS) chip and preparing method thereof
US8618944B2 (en) 2009-12-03 2013-12-31 Ppc Broadband, Inc. Coaxial cable connector parameter monitoring system
US8604936B2 (en) 2010-12-13 2013-12-10 Ppc Broadband, Inc. Coaxial cable connector, system and method of use thereof
GB201108425D0 (en) 2011-05-19 2011-07-06 Zarlink Semiconductor Inc Integrated circuit package
US8829684B2 (en) 2011-05-19 2014-09-09 Microsemi Semiconductor Limited Integrated circuit package
WO2013046705A1 (en) * 2011-09-30 2013-04-04 パナソニック株式会社 Inertial force sensor
US8803262B2 (en) * 2012-01-17 2014-08-12 Rosemount Aerospace Inc. Die attach stress isolation
JP5999302B2 (en) * 2012-02-09 2016-09-28 セイコーエプソン株式会社 Electronic device, manufacturing method thereof, and electronic apparatus
KR101874839B1 (en) * 2012-04-25 2018-07-05 이플러스이엘렉트로닉 게엠베하 Apparatus for humidity sensor
US8941223B2 (en) * 2012-09-10 2015-01-27 Invensense, Inc. MEMS device package with conductive shell
ITTO20120827A1 (en) * 2012-09-24 2014-03-25 St Microelectronics Srl INSULATION AT SLICE LEVEL OF AN INTEGRATED MEMS DEVICE AND ITS MANUFACTURING PROCEDURE
US9315378B2 (en) * 2014-08-12 2016-04-19 Taiwan Semiconductor Manufacturing Co., Ltd. Methods for packaging a microelectromechanical system (MEMS) wafer and application-specific integrated circuit (ASIC) dies using wire bonding
JP2017125753A (en) * 2016-01-13 2017-07-20 セイコーエプソン株式会社 Electronic device, electronic apparatus, and moving body
CN112770495B (en) * 2019-10-21 2022-05-27 宏启胜精密电子(秦皇岛)有限公司 Omnidirectional embedded module and manufacturing method thereof, and packaging structure and manufacturing method thereof
US20230257256A1 (en) * 2022-02-16 2023-08-17 Taiwan Semiconductor Manufacturing Company, Ltd. Stopper bump structures for mems device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104868A1 (en) * 2001-02-03 2002-08-22 Bosch Gmbh Robert Micromechanical component and a method for producing a micromechanical component

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625561A (en) * 1984-12-06 1986-12-02 Ford Motor Company Silicon capacitive pressure sensor and method of making
JPH05223842A (en) * 1992-02-17 1993-09-03 Hitachi Ltd Acceleration sensor
US5686698A (en) * 1994-06-30 1997-11-11 Motorola, Inc. Package for electrical components having a molded structure with a port extending into the molded structure
JPH0832090A (en) 1994-07-12 1996-02-02 Mitsubishi Electric Corp Inertia force sensor and manufacture thereof
JPH0878601A (en) * 1994-09-01 1996-03-22 Sanyo Electric Co Ltd Hybrid ic
US5703296A (en) * 1995-06-27 1997-12-30 Delco Electronics Corp. Pressure sensor having reduced hysteresis and enhanced electrical performance at low pressures
US6137151A (en) * 1996-11-19 2000-10-24 Xerox Corporation Amorphous silicon sensor array with reduced number of address lines
US6452238B1 (en) * 1999-10-04 2002-09-17 Texas Instruments Incorporated MEMS wafer level package
JP2001153881A (en) 1999-11-30 2001-06-08 Matsushita Electric Works Ltd Semiconductor acceleration sensor
JP4480939B2 (en) * 2001-03-14 2010-06-16 フラウンホファー ゲセルシャフトツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー.ファオ. Method for structuring a flat substrate made of a glass-based material
FR2824636B1 (en) * 2001-05-10 2003-09-05 Schlumberger Services Petrol MICROELECTRONIC PRESSURE SENSOR WITH RESONATOR SUPPORTING HIGH PRESSURES
FR2831671B1 (en) * 2001-10-26 2004-05-28 Trixell Sas SOLID STATE X-RAY DETECTOR
JP3766799B2 (en) * 2001-12-18 2006-04-19 三菱電機株式会社 Manufacturing method of semiconductor device
EP1357605A1 (en) * 2002-04-22 2003-10-29 Scientek Corporation Image sensor semiconductor package with castellation
EP1357606A1 (en) * 2002-04-22 2003-10-29 Scientek Corporation Image sensor semiconductor package
DE10241779A1 (en) * 2002-09-06 2004-03-18 Mettler-Toledo Gmbh Electrochemical sensor
US6845664B1 (en) * 2002-10-03 2005-01-25 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration MEMS direct chip attach packaging methodologies and apparatuses for harsh environments
US6998721B2 (en) * 2002-11-08 2006-02-14 Stmicroelectronics, Inc. Stacking and encapsulation of multiple interconnected integrated circuits
JP4342174B2 (en) * 2002-12-27 2009-10-14 新光電気工業株式会社 Electronic device and manufacturing method thereof
US7068025B2 (en) * 2003-05-12 2006-06-27 Nesa A/S Compensation of simple fibre optic Faraday effect sensors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104868A1 (en) * 2001-02-03 2002-08-22 Bosch Gmbh Robert Micromechanical component and a method for producing a micromechanical component

Also Published As

Publication number Publication date
CN1938846A (en) 2007-03-28
US20080156095A1 (en) 2008-07-03
CN100485911C (en) 2009-05-06
KR100907514B1 (en) 2009-07-14
WO2005104228A1 (en) 2005-11-03
US7642611B2 (en) 2010-01-05
KR20070012656A (en) 2007-01-26
EP1738411A1 (en) 2007-01-03

Similar Documents

Publication Publication Date Title
EP1738411A4 (en) SENSOR DEVICE, SENSOR SYSTEM, AND METHODS OF MANUFACTURING THEREOF
EP1953817A4 (en) DETECTION DEVICE AND METHOD OF MANUFACTURING SAME
EP2116999A4 (en) SOUND EVALUATION DEVICE, SOUND DETECTING DEVICE, AND SOUND EVALUATION METHOD
EP2058642A4 (en) PIEZOELECTRIC SENSOR AND DETECTION DEVICE
FR2865174B1 (en) DEVICE FOR DETECTING THE USE OF SEAT BELTS AND ASSOCIATED METHOD
EP2016413A4 (en) DETECTION DEVICE AND METHOD
EP2278342A4 (en) ACCELERATION SENSOR DEVICE AND SENSOR ARRAY SYSTEM
EP1901062A4 (en) FLAVER MEASURING METHOD, FLAVOR SENSOR THEREOF, AND FLAVOR MEASURING DEVICE
EP1779418A4 (en) TRANSMITTER, DETECTOR AND PHOTONIC CRYSTAL SENSOR
EP1732134A4 (en) SEMICONDUCTOR IMAGING DEVICE, LINE SENSOR, OPTICAL SENSOR, AND METHOD OF USING SEMICONDUCTOR IMAGING DEVICE
EP1732272A4 (en) COMMUNICATION DEVICE AND COMMUNICATION SYSTEM
EP1911511A4 (en) DISPERSION DEVICE, DISPERSION METHOD, AND DISPERSION CREATION METHOD
EP2056713A4 (en) IMAGING DEVICE, IMAGING SYSTEM, AND IMAGING METHODS
EP1892669A4 (en) OBJECT DETECTION DEVICE AND ITS LEARNING DEVICE
EP1735586A4 (en) DEVICE FOR DETECTING DEFECTS
EP1966444A4 (en) METHOD AND DEVICE FOR BRIDGE CONSTRUCTION
DE60308135D1 (en) Sensor device, measuring system and method for calibration
EP1926083A4 (en) AUDIO CODING DEVICE AND METHOD
EP1557653A4 (en) PEDAL FORCE SENSOR AND PEDAL FORCE DETECTOR USING THE SENSOR
EP1921439A4 (en) DEVICE, INSTRUMENT AND METHOD OF MEASUREMENT
EP2038862A4 (en) DISASTER ALERT DEVICE, SYSTEM AND METHOD
EP1754963A4 (en) PRESSURE SENSOR MODULE AND PRESSURE DETECTION DEVICE
EP1953816A4 (en) DETECTION DEVICE AND METHOD OF MANUFACTURING SAME
FR2869418B1 (en) MEASUREMENT METHOD AND DEVICE WITH SYNCHRONOUS DETECTION AND CORRELATED SAMPLING
EP1858006A4 (en) SOUND ENCODING DEVICE AND SOUND ENCODING METHOD

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20060831

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB

DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): DE FR GB

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: PANASONIC ELECTRIC WORKS CO., LTD.

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: PANASONIC CORPORATION

A4 Supplementary search report drawn up and despatched

Effective date: 20120530

RIC1 Information provided on ipc code assigned before grant

Ipc: H01L 23/02 20060101ALI20120530BHEP

Ipc: H01L 29/84 20060101ALI20120530BHEP

Ipc: G01C 19/56 20120101ALI20120530BHEP

Ipc: H01L 23/06 20060101AFI20120530BHEP

17Q First examination report despatched

Effective date: 20120926

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20141218

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: H01L0023060000

Ipc: H01L0023040000

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: H01L0023060000

Ipc: H01L0023040000

Effective date: 20150304